204865375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:269

約数の個数: 64

約数和(自身を含む): 306423936

約数和(自身を除く): 101558561

約数列:

[1, 5, 11, 13, 25, 55, 65, 73, 125, 143, 157, 275, 325, 365, 715, 785, 803, 949, 1375, 1625, 1727, 1825, 2041, 3575, 3925, 4015, 4745, 8635, 9125, 10205, 10439, 11461, 17875, 19625, 20075, 22451, 23725, 43175, 51025, 52195, 57305, 100375, 112255, 118625, 126071, 148993, 215875, 255125, 260975, 286525, 561275, 630355, 744965, 1304875, 1432625, 1638923, 2806375, 3151775, 3724825, 8194615, 15758875, 18624125, 40973075, 204865375]

約数ペア:

[(1, 204865375), (5, 40973075), (11, 18624125), (13, 15758875), (25, 8194615), (55, 3724825), (65, 3151775), (73, 2806375), (125, 1638923), (143, 1432625), (157, 1304875), (275, 744965), (325, 630355), (365, 561275), (715, 286525), (785, 260975), (803, 255125), (949, 215875), (1375, 148993), (1625, 126071), (1727, 118625), (1825, 112255), (2041, 100375), (3575, 57305), (3925, 52195), (4015, 51025), (4745, 43175), (8635, 23725), (9125, 22451), (10205, 20075), (10439, 19625), (11461, 17875)]